cyclotron
简明释义
n. [核] 回旋加速器，粒子回旋加速器
英英释义
A cyclotron is a type of particle accelerator that uses a magnetic field to accelerate charged particles in a spiral path to high energies. | 回旋加速器是一种粒子加速器，利用磁场使带电粒子沿螺旋路径加速到高能量。 |
单词用法
回旋共振；[物]回旋加速器谐振 | |
回旋加速频率；回磁频率 |
同义词
反义词
| 减速器 | The decelerator is used to slow down particles in a controlled manner. | 减速器用于以可控的方式减缓粒子速度。 | |
| 吸收 | Absorption of energy can occur in various materials when exposed to radiation. | 当材料暴露于辐射时，可能会发生能量吸收。 |
例句
1.This paper introduces one special case of low vacuum of cyclotron.
介绍了回旋加速器的一例真空度不足的特殊故障。
2.The cyclotron accelerates positively charged particles, while the betatron accelerates negatively charged electrons.
回旋加速器加速正电荷粒子，贝他加速器加速负电荷电子。
3.In the kinetics of electron cyclotron masers, the method based on the local field expansion in the guiding center frame has many advantages.
在电子回旋脉塞动力学理论中，以电子回旋中心坐标系中场的局部展开为基础的方法有很大的优点。
4.These electrostatic waves are considered as either the ion acoustic mode evolution or the ion cyclotron mode evolution.
这些静电波被认为或者是离子声波模的演化，或者是静电离子逥旋波模的演化结果。
5.In a virtual cyclotron, learning is being smashed into its primitives.
在一个虚拟的回旋加速器里，学习正被撞裂成为基本粒子。
6.This article discusses the characteristics of cyclotron prototyping model.
本文讨论了回旋加速器虚拟样机模型的特点。
7.A cyclotron can generate high-energy beams necessary for nuclear fusion studies.
回旋加速器可以产生进行核聚变研究所需的高能束。
8.In medical applications, a cyclotron produces isotopes for PET scans.
在医疗应用中，回旋加速器生产用于PET扫描的同位素。
9.The physics lab features a state-of-the-art cyclotron for advanced research.
物理实验室配备了一台最先进的回旋加速器用于高级研究。
10.The researchers used a cyclotron to accelerate particles for their experiments.
研究人员使用回旋加速器加速粒子进行实验。
11.During the tour, we saw how a cyclotron functions in particle physics.
在参观过程中，我们看到了回旋加速器在粒子物理学中的运作方式。
作文
The invention of the cyclotron (回旋加速器) has significantly advanced the field of particle physics and medical imaging. Developed in the early 1930s by Ernest O. Lawrence and his colleagues, the cyclotron is a type of particle accelerator that uses a magnetic field to propel charged particles, such as protons or ions, to high speeds. This technology allows scientists to explore the fundamental components of matter and has numerous applications in various fields.In a cyclotron, charged particles are injected into a spiral path created by a strong magnetic field. As the particles move in this circular motion, they gain energy with each revolution due to an alternating electric field that accelerates them. This process continues until the particles reach sufficient energy to be directed towards a target for experimentation or medical treatment. The ability to accelerate particles to high energies makes the cyclotron an essential tool in nuclear physics and medicine.One of the most significant applications of the cyclotron is in the production of radioisotopes used in medical imaging and cancer treatment. For instance, fluorine-18, a radioisotope commonly used in positron emission tomography (PET) scans, can be produced using a cyclotron. These scans are crucial for diagnosing various medical conditions, including cancer, as they provide detailed images of metabolic processes in the body. The precision and effectiveness of treatments derived from cyclotron-produced isotopes have revolutionized modern medicine.Moreover, the cyclotron plays a vital role in research facilities around the world. It enables scientists to conduct experiments that require high-energy particles, such as studying nuclear reactions and the behavior of subatomic particles. Such experiments contribute to our understanding of the universe and the fundamental laws of physics. The insights gained from cyclotron experiments have led to groundbreaking discoveries, including advancements in nuclear energy and materials science.Despite its many benefits, the operation of a cyclotron requires careful consideration of safety protocols. The high-energy particles produced can pose radiation risks if not properly managed. Therefore, facilities housing cyclotrons must implement stringent safety measures to protect both operators and the surrounding community. This includes shielding, monitoring radiation levels, and ensuring that all personnel are trained in safety procedures.In conclusion, the cyclotron (回旋加速器) is a remarkable invention that has had a profound impact on both science and medicine. Its ability to accelerate charged particles to high energies has opened new avenues for research and treatment, leading to significant advancements in our understanding of the universe and improving patient care. As technology continues to evolve, the cyclotron will undoubtedly remain a cornerstone of scientific exploration and innovation.
